llvm::TCETTIImpl Class Reference

#include <TCETargetTransformInfo.hh>

Inheritance diagram for llvm::TCETTIImpl:

Collaboration diagram for llvm::TCETTIImpl:

Public Member Functions
	TCETTIImpl (const TCETargetMachine *TM, const Function &F)
bool	isHardwareLoopProfitable (Loop *L, ScalarEvolution &SE, AssumptionCache &AC, TargetLibraryInfo *LibInfo, HardwareLoopInfo &HWLoopInfo)

Private Types
typedef BasicTTIImplBase< TCETTIImpl >	BaseT
typedef TargetTransformInfo	TTI

Private Member Functions
const TCESubtarget *	getST () const
const TCETargetLowering *	getTLI () const

Private Attributes
friend	BaseT
const TCESubtarget *	ST
const TCETargetLowering *	TLI

Detailed Description

Definition at line 42 of file TCETargetTransformInfo.hh.

Member Typedef Documentation

BaseT

typedef BasicTTIImplBase<TCETTIImpl> llvm::TCETTIImpl::BaseT

private

Definition at line 43 of file TCETargetTransformInfo.hh.

TTI

typedef TargetTransformInfo llvm::TCETTIImpl::TTI

private

Definition at line 44 of file TCETargetTransformInfo.hh.

Constructor & Destructor Documentation

TCETTIImpl()

llvm::TCETTIImpl::TCETTIImpl ( const TCETargetMachine *  TM, const Function &  F  )

inlineexplicit

Definition at line 60 of file TCETargetTransformInfo.hh.

        : BaseT(TM, F.getParent()->getDataLayout()),
          ST(TM->getSubtargetImpl()),
          TLI(static_cast<const TCETargetLowering *>(
              ST->getTargetLowering())) {}

Member Function Documentation

getST()

const TCESubtarget * llvm::TCETTIImpl::getST ( ) const

inlineprivate

Definition at line 51 of file TCETargetTransformInfo.hh.

                  {
        return ST;
    }

References ST.

getTLI()

const TCETargetLowering * llvm::TCETTIImpl::getTLI ( ) const

inlineprivate

Definition at line 55 of file TCETargetTransformInfo.hh.

                   {
        return TLI;
    }

References TLI.

isHardwareLoopProfitable()

bool TCETTIImpl::isHardwareLoopProfitable	(	Loop *	L,
		ScalarEvolution &	SE,
		AssumptionCache &	AC,
		TargetLibraryInfo *	LibInfo,
		HardwareLoopInfo &	HWLoopInfo
	)

Definition at line 43 of file TCETargetTransformInfo.cc.

                                                              {
    // Check TCE flag for hwloop
    LLVMTCECmdLineOptions *options =
        dynamic_cast<LLVMTCECmdLineOptions *>(Application::cmdLineOptions());
    if (options == NULL || options->disableHWLoops()) return false;
 
    // We should do hwloop only for single BB loop
    if (L->getNumBlocks() != 1) {
        LLVM_DEBUG(
            dbgs() << "HWLoops: Loop has " << L->getNumBlocks()
                   << " BB. Not converting to hwloop: " << L->getName()
                   << "\n");
        return false;
    }
 
    // Set counter type and loop decrement value
    LLVMContext &C = L->getHeader()->getContext();
    HWLoopInfo.CountType = Type::getInt32Ty(C);
    HWLoopInfo.LoopDecrement = ConstantInt::get(HWLoopInfo.CountType, 1);
    HWLoopInfo.IsNestingLegal = false;
    return true;
}

References Application::cmdLineOptions(), and options.

Here is the call graph for this function:

Member Data Documentation

BaseT

friend llvm::TCETTIImpl::BaseT

private

Definition at line 45 of file TCETargetTransformInfo.hh.

ST

const TCESubtarget* llvm::TCETTIImpl::ST

private

Definition at line 47 of file TCETargetTransformInfo.hh.

Referenced by getST().

TLI

const TCETargetLowering* llvm::TCETTIImpl::TLI

private

Definition at line 48 of file TCETargetTransformInfo.hh.

Referenced by getTLI().

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The documentation for this class was generated from the following files:

• TCETargetTransformInfo.hh
• TCETargetTransformInfo.cc